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authorRichard Henderson <richard.henderson@linaro.org>2024-11-11 06:45:40 -0800
committerRichard Henderson <richard.henderson@linaro.org>2024-11-16 08:42:24 -0800
commit2a339fee450638b512c5122281cb5ab49331cfb8 (patch)
tree2ab8a289bdb27b3f56ea28c92a767a05a41c8b60 /accel/tcg/user-exec.c
parentf27550804688da43c6e0d87b2f9e143adbf76271 (diff)
downloadfocaccia-qemu-2a339fee450638b512c5122281cb5ab49331cfb8.tar.gz
focaccia-qemu-2a339fee450638b512c5122281cb5ab49331cfb8.zip
accel/tcg: Fix user-only probe_access_internal plugin check
The acc_flag check for write should have been against PAGE_WRITE_ORG,
not PAGE_WRITE.  But it is better to combine two acc_flag checks
to a single check against access_type.  This matches the system code
in cputlb.c.

Cc: qemu-stable@nongnu.org
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2647
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: 20241111145002.144995-1-richard.henderson@linaro.org
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Diffstat (limited to 'accel/tcg/user-exec.c')
-rw-r--r--accel/tcg/user-exec.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/accel/tcg/user-exec.c b/accel/tcg/user-exec.c
index aa8af52cc3..06016eb030 100644
--- a/accel/tcg/user-exec.c
+++ b/accel/tcg/user-exec.c
@@ -800,7 +800,7 @@ static int probe_access_internal(CPUArchState *env, vaddr addr,
     if (guest_addr_valid_untagged(addr)) {
         int page_flags = page_get_flags(addr);
         if (page_flags & acc_flag) {
-            if ((acc_flag == PAGE_READ || acc_flag == PAGE_WRITE)
+            if (access_type != MMU_INST_FETCH
                 && cpu_plugin_mem_cbs_enabled(env_cpu(env))) {
                 return TLB_MMIO;
             }